Richard, Olafur;

Just reread your draft and had a question.

Would it be worthwhile to formalize a default result-set for an ANY query in 
your draft?  Seems like there is a great disparity among implementations and as 
pointed out in your draft clients looking to save calories with a single query 
still require fallback logic “just in case” they don’t get what is expected.

Since this draft defines 3 alternate methods for determining responses, a 4th 
could formally define “normal”.  Just a thought.

BTW: like the idea of a the flag to better control intent.


Thanks,
John

From: DNSOP [mailto:dnsop-boun...@ietf.org] On Behalf Of Richard Gibson

Because without such a signal, humans using ANY for legitimate diagnostic 
purposes have no means of differentiating section 4.1/4.3 "subset" responses 
from conventional responses where there just happen to be only a small number 
of RRSets at the queried name, encouraging (or at least doing nothing to 
dissuade) a conclusion that the response is in fact conventional and complete.

On Fri, Feb 10, 2017 at 1:44 PM, Ólafur Guðmundsson 
<ola...@cloudflare.com<mailto:ola...@cloudflare.com>> wrote:
Thank you for your comments

Q: why do you think it is useful to complicate things with a EDNS0 flag ?

Olafur

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